Discover the stunning butterflies that flutter through Heartwood Forest, including the enigmatic purple emperor.

Learn how to identify some of the 30 different butterfly species that call Heartwood home while exploring England's largest native planted woodland.

Don't miss your chance to visit this beautiful wood and get face to face with some of our most captivating insects - all guided by the experts at Hertfordshire and Middlesex branch of Butterfly Conservation.    

Maximum time: three hours

Maximum distance: two miles

The event is free and booking is essential. Book your place.

Don't forget

Please dress appropriately for the weather.

Binoculars aren't essential but are very useful.

This event is suitable for children aged 8+.

Children under 16 must be accompanied by a parent or a guardian.

When and where

  • Date: Saturday 13 July, 11am-2pm.
  • Price: free, but booking is essential. Donations to support the management of our woodlands are welcome. 
  • Location: Heartwood Forest, Hertfordshire, AL4 9DQ.
    Grid reference: TL 16786 10808.
  • Access: though this event takes place over two miles on smooth ground, Heartwood Forest has a network of paths - including a public footpath and two bridleways - most of which are unsurfaced and can get muddy when wet.

    There are some moderate gradients and a short, surfaced, all-access loop from the car park.

    If you have any questions, access requirements, or would like to join us for the walk but have any hesitations that we may be able to support you with, please get in touch:  
  • Parking: parking is available at Heartwood Forest car park, Heartwood Forest, Sandridge, AL4 9DQ.
    What3Words: defend.grapes.summer
    Grid reference: TL 16832 10872
  • Dogs: well behaved dogs are welcome.

How to book

The event is free, but booking is essential as places are limited.

Book your place today to avoid missing out.

Woodland Trust Wood

Heartwood Forest


346.72 ha (856.75 acres)

Explore this wood